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The Adafruit tutorial for Raspberry Pi as an access point is no longer applicable (At least to my knowledge). It did not work for me.The current version of Raspbian is (BUSTER). I have successfully installed the necessary software and created my own STANDALONE Access Point on my Raspberry Pi Zero W.

Copied from Raspberry Pi.org (access point - ROUTED) I cut out most of the explanations to make it a "direct-to-the-point" GoBy.

Software installation is complete. We will configure the software packages later on.

[b]SET UP THE NETWORK ROUTER[/b]

Define the wireless IP configuration: The Raspberry Pi runs a DHCP server for the wireless network; this requires static IP configuration for the wireless interface (wlan0) in the Raspberry Pi. The Raspberry Pi also acts as the router on the wireless network, and as is customary, we will give it the first IP address in the network: 192.168.0.41 To configure the static IP address, edit the configuration file for dhcpcd with:

[b]CONFIGURE THE DHCP AND DNS SERVICES FOR THE WIRELESS NETWORK[/b]The DHCP and DNS services are provided by dnsmasq. The default configuration file serves as a template for all possible configuration options, whereas we only need a few. It is easier to start from an empty file. Rename the default configuration file and edit a new one:

The Raspberry Pi will deliver IP addresses between 192.168.0.42 and 192.168.0.62, with a lease time of 24 hours, to wireless DHCP clients. You should be able to reach the Raspberry Pi under the name PiCharts.wlan from wireless clients.

[b]ENSURE WIRELESS OPERATION[/b]To ensure WiFi radio is not blocked on your Raspberry Pi, execute the following command:

sudo rfkill unblock wlan

This setting will be automatically restored at boot time. We will define an appropriate country code in the access point software configuration, next. Configure the access point softwareCreate the hostapd configuration file, located at /etc/hostapd/hostapd.conf, to add the various parameters for your wireless network.

Once your Raspberry Pi has restarted, search for wireless networks with your wireless client. The network SSID you specified in file /etc/hostapd/hostapd.conf should now be present, and it should be accessible with the specified password.

If SSH is enabled on the Raspberry Pi, it should be possible to connect to it from your wireless client as follows, assuming the pi account is present: ssh pi@192.168.0.41 or ssh pi@mqtt.wlan